The two new railbuses hauled heavy limestone trains between a quarry near Neuffen and a cement works in Nürtingen.

In order to simplify shunting operations, the WEG fitted the two railbuses and the two end wagons of the limestone trains with Scharfenberg couplers.

After the closure of the Lower Kocher Valley Railway, the two diesel units were sold on 6 September 1996 to WEBA.

The rake was deployed on the Daade Valley Railway between Betzdorf and Daaden for school runs, usually combined with the WEBA 628 677.

The vehicles were later sold to the IGEBA engineer society railway in Krumbach and driven away from the Westerwald region in September 2009.